Power amplifier E3 TX-4400

The E3 TX-4400 power amplifier is a 2-channel power amplifier aimed at high-end karaoke systems, home audio systems, and medium-sized professional sound setups.

This device delivers stable amplification, powerful sound, and flexible compatibility with a wide range of speakers. With its robust design, reliable performance, and ability to handle continuous use effectively, the E3 TX-4400 is a suitable choice for systems requiring a stable, easy-to-deploy, and cost-effective power amplifier.

Introducing the E3 TX-4400 2-channel power amplifier.

The E3 TX-4400 2-channel power amplifier provides 2 x 450W at 8Ω and 2 x 675W at 4Ω, while also supporting Bridge mode at 8Ω with a power output of 1400W. This configuration makes it easy to pair with karaoke speakers, full-range speakers, or use in systems requiring increased power for subwoofers.

The support for multiple impedance levels also gives users more flexibility when building and upgrading their sound systems. The E3 TX-4400 boasts a frequency response of 20Hz – 20kHz with a reported error of ±0,1/0,3dB at 1W/8Ω. THD+N below 0,05% helps limit signal distortion, while SNR above 100dB contributes to maintaining a clean sound background and good detail.

Technical parameters of the product to consider:

• Power output: 2 × 450W (8Ω) It provides stable power to two independent channels, suitable for pairing with karaoke speakers, full-range speakers, or monitor speakers in medium-sized sound systems.
• Power output: 2 × 675W (4Ω) When operating at an impedance of 4Ω, the E3 TX-4400 is capable of delivering higher power, making it suitable for systems that require better speaker performance.
• Bridge power 1400W (8Ω): This allows combining two channels into one high-power channel, suitable when you need to use an amplifier to drive a subwoofer or high-power speakers.
• Frequency response range 20Hz – 20kHz: Covering almost the entire range of sound frequencies audible to the human ear, the device reproduces bass, midrange, and treble frequencies in a balanced manner.
• THD+N distortion < 0,05% (1W/8Ω): Low distortion levels help to minimize signal distortion during amplification, contributing to the maintenance of clear and accurate sound.
• Cross-modulation distortion at 60Hz & 7kHz (1W/8Ω): This parameter reflects the ability to control the interaction between signals of different frequencies, helping to maintain sound clarity when playing multiple components simultaneously.
• Damping coefficient 200:1kHz @ 8Ω: This demonstrates the ability to control the movement of the speaker driver, which is particularly useful when pairing with speakers that require precise and well-controlled bass response.
• SNR >100dB: A high signal-to-noise ratio helps reduce unwanted background noise, resulting in a cleaner and clearer audio signal.
• Signal change rate: 70V/µs Its ability to respond quickly to sudden changes in audio signals supports the reproduction of fast-paced and highly dynamic musical passages.
• Input impedance 20kΩ (Balanced) / 10kΩ (Unbalanced): The E3 TX-4400 is compatible with a wide range of source devices such as digital processors, mixers, and signal processors, and supports both balanced and unbalanced connections.
• AC power supply 200–240V / 50–60Hz: Compatible with the common power supply in Vietnam, making the device easy to deploy in fixed sound systems.
• Packaging dimensions: 568 × 525 × 140mm The relatively compact packaging size makes it convenient for transportation, storage, and installation in professional sound systems.

Key features of the E3 TX-4400 power amplifier.

The E3 TX-4400 power amplifier is aimed at sound systems requiring a compact, 2-channel amplifier with suitable power and flexible compatibility. The product can effectively meet the needs of everything from home karaoke systems to medium-sized professional sound systems.

• Flexible 2-channel design: The 2-channel configuration makes the E3 TX-4400 easy to integrate into various systems, and it can handle amplification for full-range speakers, karaoke speakers, or specialized speaker configurations.
• Supports multiple pairing styles: The device can operate at 4Ω and 8Ω impedance, and also supports 8Ω Bridge, giving users the flexibility to change the configuration according to their actual needs.
• Strong amplification capabilities in its segment: The power output is suitable for medium-sized karaoke systems, singing rooms, and professional sound systems, allowing the speakers to perform well without the need for excessive amplification equipment.
• The audio signal is clean and detailed. The design aims to maintain a stable signal, minimizing interference and distortion during amplification, making it suitable for both music listening and karaoke.
• Excellent speaker control: The 200:1 damping ratio at 1kHz/8Ω helps control the driver's movement, contributing to a tighter and more solid bass response when properly matched.
• SNR above 100dB: A high signal-to-noise ratio helps reduce background noise, creating a clean soundstage and allowing details in music or vocals to be more clearly expressed.
• Compatible with a wide range of signal processing devices: With an input impedance of 20kΩ with balanced connection and 10kΩ with unbalanced connection, the E3 TX-4400 is easy to connect to digital processors, mixers, and other audio processing equipment.
• Suitable for a variety of uses: It can be deployed in home karaoke systems, commercial karaoke rooms, meeting rooms, small auditoriums, medium-sized stages, and portable sound systems.
• Designed for easy installation: The packaging dimensions of 568 × 525 × 140mm make it easier to transport and position the equipment within the system.
• Optimized for systems requiring a compact configuration: With its two amplifier channels and bridge capability, the E3 TX-4400 can handle multiple roles in a system, simplifying configuration and optimizing installation space.

Detailed review of the E3 TX-4400 power amplifier.

Amplification capability suitable for 2-channel systems.

The E3 TX-4400 power amplifier features a 2-channel configuration with a power output of 2 × 450W at 8Ω and 2 × 675W at 4Ω, suitable for systems requiring a moderately powerful amplifier while ensuring stable operation.

This power output is well-suited for high-end home karaoke systems, medium-sized karaoke rooms, full-range speakers, karaoke speakers, or monitor speakers. In particular, the 8Ω Bridge mode, reaching 1400W, provides the TX-4400 with additional pairing options when focusing power on a single speaker or a speaker configuration requiring a larger amplifier.

Signal quality and sound reproduction capabilities

The E3 TX-4400 has a frequency response range of 20Hz – 20kHz, covering the entire common audio frequency range in karaoke and music listening systems. THD+N below 0,05% at 1W/8Ω indicates the device's ability to control signal distortion well under the stated measurement conditions.

In addition, an SNR above 100dB helps to reduce background noise, creating a cleaner output signal. With a signal transformation rate of 70V/µs, the amplifier is also able to respond quickly to signal changes, suitable for fast-paced music with high dynamics.

Speaker control and system matching capabilities

One notable feature of the E3 TX-4400 is its 200:1 damping ratio at 1kHz/8Ω, which helps control the driver's movement, especially significant when paired with speakers that require good bass control.

The device has an input impedance of 20kΩ for balanced connections and 10kΩ for unbalanced connections, making it easy to connect to digital effects processors, mixers, or other signal processors. Therefore, the TX-4400 can serve as a power stage in many audio configurations without requiring complex matching.

Assessment of practicality and scope of use

Based on its published specifications, the E3 TX-4400 is best suited for users needing a 2-channel power amplifier with moderate power output, easy deployment, and not requiring a system with too many amplification channels. The product can be used for home karaoke systems, commercial karaoke rooms, meeting rooms, small auditoriums, medium-sized stages, and mobile sound systems.

With an AC power supply of 200–240V / 50–60Hz, the device is also suitable for common power grid conditions in Vietnam. Overall, the TX-4400 aims for a balance between power, signal quality, and compatibility, especially suitable for systems requiring a compact configuration but still scalable through Bridge mode.

Applications of the E3 TX-4400 Power Amplifier

The E3 TX-4400 power amplifier is suitable for a wide range of sound systems, from home to medium-sized professional setups. It can amplify the sound for karaoke speakers, full-range speakers, monitor speakers, or be used in configurations requiring increased power for subwoofers.

• High-end family karaoke system.
• Karaoke room business.
• Full-range speaker system.
• Stage monitor speakers.
• Subwoofer speaker system.
• Hall and meeting room.
• Acoustic café and restaurant.
• Medium-sized stage and events.
• The sound system needs to be compactly configured.

Where can I buy a genuine and reliable E3 TX-4400 power amplifier?

If you are looking to buy a genuine E3 TX-4400 power amplifier, you should prioritize suppliers specializing in audio equipment with a technical support team for system matching and a clear warranty policy. Phuc Truong Audio is a suitable place to consider when you need to buy an E3 TX-4400 as well as build a karaoke system, auditorium sound system, or stage sound system.

At Phuc Truong Audio, customers can receive advice on the E3 TX-4400 based on their actual usage needs, rather than simply choosing based on power output. With configurations of 2 × 450W/8Ω, 2 × 675W/4Ω, and Bridge 1400W/8Ω, the amplifier can be paired with many types of karaoke speakers, full-range speakers, monitor speakers, and subwoofers. Our technical team can assist in calculating power, impedance, and equipment distribution to minimize the risk of incompatible pairings.

One notable advantage of purchasing equipment from a professional supplier is that customers can receive comprehensive system advice. Besides power amplifiers, Phuc Truong Audio also offers equipment such as digital processors, mixers, wireless microphones, karaoke speakers, stage speakers, subwoofers, and signal processing equipment. This is especially useful if you are building a complete sound system and want to ensure that the equipment is compatible with each other.

Frequently Asked Questions about the E3 TX-4400 Power Amplifier

1. What types of speakers are compatible with the E3 TX-4400 power amplifier?

The E3 TX-4400 is compatible with many karaoke speakers , full-range speakers, monitor speakers, and some subwoofer configurations with compatible specifications. With a power output of 2 x 450W at 8Ω and 2 x 675W at 4Ω, it is particularly suitable for medium-sized sound systems. When choosing speakers for pairing, consider power, impedance, and actual usage requirements, rather than just looking at the amplifier's power rating.

2. Can the E3 TX-4400 be used for a home karaoke system?

Yes. The E3 TX-4400 is a suitable choice for home karaoke systems that require stable amplification power and allow for flexible equipment pairing. The amplifier can be combined with a digital sound processor, wireless microphones, and a suitable pair of karaoke speakers to create a system with good volume, clear vocals, and stable operation. For rooms of moderate size, the 2-channel configuration of the TX-4400 also makes the system more compact.

3. Is the E3 TX-4400 suitable for driving a subwoofer?

The E3 TX-4400 can be used with several compatible subwoofer configurations thanks to its 8Ω Bridge mode delivering 1400W. However, when using a power amplifier to drive a subwoofer, it's crucial to carefully check the power and impedance of the speakers before connecting. If the system uses both full-range and subwoofer speakers, it's advisable to add a digital sound processor , DSP, or crossover to properly divide the frequency range, ensuring the full-range and subwoofer speakers function correctly and minimizing frequency overlap.

4. Can the E3 TX-4400 be used in a commercial karaoke room?

Yes, it's particularly suitable for medium-sized karaoke rooms that need a simple, easy-to-match 2-channel power amplifier . Its 675W/channel power at 4Ω allows it to handle many common speaker configurations well. However, for very large rooms or those requiring high volume levels, a comprehensive system calculation including speakers, subwoofer, digital effects processor, and power amplifier is necessary to determine if the TX-4400 is sufficient or if a higher-power unit is needed.